Welcome to our practice test for Medical Laboratory Certification Exams like ASCP and AMT for MLT, CLS and MLS. Test includes General Laboratory, Hematology, Clinical Chemistry, Urinalysis & Body Fluids, Blood Banking & Immunohematology, Serology & Immunology and Microbiology. You have 60 minutes to answer 100 test questions. Good luck!
#1. Anticoagulant of choice for Direct Antiglobulin Testing because it prevents complement activation by plasma antibody by chelating calcium
#2. Federal law that established minimum standards for laboratory practice and quality
#3. The following are criteria used to differentiate true intracranial hemorrhage from a traumatic tap except
#4. Which of the following tests is most commonly used to detect antibodies attached to a patient’s red cells in vivo?
#5. Elevated levels of this protein is often associated with neural tube disorders like Spina Bifida
#6. Which of the following hormones is produced by the hypothalamus?
#7. Hemoglobin H disease is associated with the deletion of how many alpha genes?
#8. What disorder does a defect in heme synthesis lead to?
#9. A monoclonal spike of IgG, Bence Jones proteinuria, and bone pain are usually associated with
#10. Which of the following has the least amount of H substance presented on cell surfaces?
#11. The biuret method for determining serum protein is dependent upon
#12. Elevated numbers of this type of cell has a biologic correlation with Chronic Lymphocytic Leukemia
#13. Type of anemia caused by dysplasia of bone marrow or its destruction by chemical agents or physical factors
#14. An O positive patient is crossmatched with 6 units of blood. At the AHG phase, both antibody screening cells and 2 crossmatched units are incompatible. What is the most likely cause?
#15. Which of the following will show an Alk/A with H2S reaction on a TSI?
#16. Urobilinogen is produced in which of the following organs
#17. The most commonly used serological indicator of recent streptococcal infection is the antibody to
#18. Which of the following is used to provide continuous spectra in the ultraviolet region?
#19. How is VLDL cholesterol estimated in the Friedewald equation?
#20. All blood and body fluids are considered potentially infected with blood-borne pathogens. What is the name of this precaution?
#21. The following are clotting factors acting as contact proteins except
#22. Highly sensitive and specific test used to conform a positive Rheumatoid factor tests in the diagnosis of Rheumatoid arthritis
#23. What is the decolorizer used in Acid Fast Staining?
#24. Which of the following increases serum potassium levels?
#25. What is the counterstain used in Gram stains?
#26. Most common anticoagulant used in chemistry laboratory
#27. Elevated conjugated bilirubin in both serum and urine, decreased urine urobilinogen and decreased fecal urobilin is characteristic of
#28. Multiple blastoconidia budding from sides of large blastospore (“Mariner’s Wheel”) is diagnostic to this fungus
#29. Which of the following statements about immunoglobulin light chains is true?
#30. A filarial helminth infection transmitted in the Central African rainforests by bites from the Chrysops fly, which can affect the skin and eyes
#31. Which of the following is false about NH3?
#32. Which of the following is not a structure used for bacterial adhesion?
#33. The presence of albumin in urine above the normal level but below the detectable range of conventional urine dipstick methods.
#34. To determine if the red blood cells present in a specimen of amniotic fluid originate in the fetus, as opposed to being of maternal origin, which of the following tests can be used?
#35. A major advantage of passive immunization compared to active immunization is that
#36. Which test is used to monitor red cell production
#37. Post transfusion anaphylactic reactions occur most often in patients with
#38. Which of the following is not true of post hepatic obstructive jaundice?
#39. Fibrinogen peaks in electrophoresis appeared between which protein fractions
#40. Which autoimmune condition has autoantibodies directed against TSH receptors on thyroid cells causing hyperthyroidism?
#41. Which of the following methodologies is not used in allergy testing?
#42. Which hormone is deficient in patients with Diabetes insipidus?
#43. Antibodies composed of IgG immunoglobulin
#44. Port wine colored urine is an indication of which substance
#45. The disappearance of HBsAg and HBeAg, the persistence of anti-HBc, the appearance of anti-HBs, and often of anti-AHe indicate
#46. Rebecca Lancefield grouped Streptococcus sp. based on this antigen found in its cell wall
#47. Contact dermatitis is mediated by
#48. Vaginal epithelial cells that appear fuzzy without sharp edges under a microscope due to the abundance of bacteria
#49. Granulocyte that functions in phagocytosis, parasitic action, and allergy reactions
#50. Decrease in all cell types in the peripheral blood
#51. Auer Rods are most like present in which type of leukemia
#52. If a patient has anaphylactic transfusion reactions, how are future transfusions handled
#53. Most widely used method of protein determination by using copper salts in alkaline solution.
#54. A patient with high serum levels of creatine kinase, aldolase, and aspartate aminotransferase but normal levels of alanine aminotransferase most likely has
#55. Primary assay used to diagnose von Willebrand disease is suspected
#56. Which of the following red cell antigens are found on glycophorin-A?
#57. What level of HbA1c is considered diagnostic of diabetes mellitus?
#58. Which cells are found in the buffy coat of a spun down EDTA whole blood?
#59. Antibody allotype is determined by the
#60. What is the primary stain component of Gram Stains?
#61. The following are sources of error in Hematocrit determinations except
#62. The rapid plasma reagin assay for syphilis does not need to be read microscopically because the antigen is
#63. These urine sediments are formed by the precipitation of urine solutes subjected to changes in pH, temperature and concentration
#64. An IgM autoantibody directed against the Fc portion of IgG molecule
#65. Rh immune globulin administration would not be indicated in an Rh negative woman who has a
#66. Giant multinucleated cells due to the fusion of infected cells is seen in respiratory infections caused by this virus
#67. Which of the following biochemical test results is true of Gardnerella vaginalis?
#68. This methodology measures light that is scattered by small particles at right angles to the beam incident to the cuvette. Amount of scatter is related to the number and size of the particles
#69. Which of the following is a voluntary accrediting agency?
#70. Tests are performed on a patient with suspected thyroid disease with the following results: Elevated Anti-TPO, Elevated TSHR antibodies, ELEVATED TSI, Normal Anti-Tg
#71. Type of red cells that are cigar or pencil shaped with parallel sides and an area of pallor.
#72. A kind of agglutination in which erythrocytes, usually modified by mild treatment with tannic acid or other chemicals, are used to adsorb soluble antigen onto their surface, and which then agglutinate in the presence of antiserum specific for the adsorbed antigen.
#73. Which type of anemia is associated with antibody destruction?
#74. What disease is indicated by a high titer of anti-Sm (anti-Smith) antibody?
#75. A blood pigment casts is analogous to which of the following casts
#76. Which of the following organisms show a TSI reaction of A/A?
#77. Technique used for determining the location of an antigen (or antibody) in tissues by reaction with an antibody (or antigen) labeled with a fluorescent dye
#78. Test to detect the presence of Cryptococcus neoformans, a type of encapsulated yeast that is capable of surviving in both animals and plants
#79. Target cells are associated with which hemoglobin type
#80. An acute phase protein that binds to the membrane of certain microorganisms and activates the complements system is
#81. What is the formula for anion gap?
#82. Ictotest is a test used to determine which analyte
#83. The transfusion component of choice for a bleeding patient with a prolonged bleeding time, increased APTT, decreased levels of Factor VIII antigen and impaired aggregation of platelets in response to ristocetin would be
#84. The “Gold Standard” in toxicology studies used to confirm screening tests
#85. What is the most likely cause when a Western blot or ELISA is positive for all controls and samples?
#86. What is the formula for calculating Normality?
#87. Substances that are antigenic only when coupled to a protein carrier are
#88. Complete cessation of urine production
#89. In a normal semen sample, the following cells are seen except
#90. Over a two week period, the reactions of your QC antibody shows a gradual decrease from 2+ to a very weak positive with your antibody detection cells. These results most likely indicate
#91. A rare condition caused by overproduction of the hormone aldosterone that controls sodium and potassium in the blood
#92. Which test is used in the diagnosis of cystic fibrosis?
#93. Which of the following immunoglobulins is the most efficient at agglutination
#94. If a patient’s sample is negative with the screen cells and the auto control, but one of the crossmatched units is incompatible at immediate spin, what may be the cause
#95. The following statements are true about Rouleaux formations except
#96. This type of hypersensitivity reaction involves the formation of large immune complexes not cleared by mononuclear phagocytic systems
#97. Which of the following statements on testing for urine nitrites is false
#98. The partial sterilization of a product, such as milk or wine, to make it safe for consumption and improve its keeping quality.
#99. Pregnant women are to avoid cleaning litter boxes of their house cats until delivery to prevent congenital infection of
#100. Which of the following can cause a falsely decreased WBC count?
Results
Wow this is tough. Thank you for making this.